AcoSail/kernel_optimize_test
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Merge branch 'r8152-next'

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Hayes Wang says:

====================
r8152: adjust r8152_submit_rx

v2:
Replace the patch #1 with "call rtl_start_rx after netif_carrier_on".

For patch #2, replace checking tp->speed with netif_carrier_ok.

v1:
Avoid r8152_submit_rx() from submitting rx during unexpected
moment. This could reduce the time of stopping rx.

For patch #1, the tp->speed should be updated early. Then,
the patch #2 could use it to check the current linking status.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2015-01-12 16:10:32 -05:00
commit 2f516d52cd
1 changed files with 7 additions and 1 deletions
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8
drivers/net/usb/r8152.c
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@ -1789,6 +1789,11 @@ int r8152_submit_rx(struct r8152 *tp, struct rx_agg *agg, gfp_t mem_flags)
{
int ret;
/* The rx would be stopped, so skip submitting */
if (test_bit(RTL8152_UNPLUG, &tp->flags) ||
!test_bit(WORK_ENABLE, &tp->flags) || !netif_carrier_ok(tp->netdev))
return 0;
usb_fill_bulk_urb(agg->urb, tp->udev, usb_rcvbulkpipe(tp->udev, 1),
agg->head, agg_buf_sz,
(usb_complete_t)read_bulk_callback, agg);
@ -2059,7 +2064,7 @@ static int rtl_enable(struct r8152 *tp)
rxdy_gated_en(tp, false);
return rtl_start_rx(tp);
return 0;
}
static int rtl8152_enable(struct r8152 *tp)
@ -2874,6 +2879,7 @@ static void set_carrier(struct r8152 *tp)
tp->rtl_ops.enable(tp);
set_bit(RTL8152_SET_RX_MODE, &tp->flags);
netif_carrier_on(netdev);
rtl_start_rx(tp);
}
} else {
if (tp->speed & LINK_STATUS) {